A nurse educator is explaining to a group of students the differences between leukemias and lymphomas. With respect to classification of these diseases, which explanation is most accurate?
a) Leukemias primarily affect the lymph nodes, while lymphomas affect the bone marrow.
b) Leukemias are cancers of the blood-forming tissues, whereas lymphomas are cancers of the lymphatic system.
c) Leukemias and lymphomas are both solid tumors that primarily affect the lungs.
d) Leukemias are caused by viral infections, while lymphomas are genetic disorders.